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2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4

 kernel/drivers/char/tpm/eventlog/of.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Copyright 2012 IBM Corporation
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  *
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  * Maintained by: <tpmdd-devel@lists.sourceforge.net>
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  *
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  * Read the event log created by the firmware on PPC64
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * as published by the Free Software Foundation; either version
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- * 2 of the License, or (at your option) any later version.
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- *
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  */
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 #include <linux/slab.h>
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@@ -56,7 +51,8 @@
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 	 * endian format. For this reason, vtpm doesn't need conversion
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 	 * but physical tpm needs the conversion.
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 	 */
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-	if (of_property_match_string(np, "compatible", "IBM,vtpm") < 0) {
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+	if (of_property_match_string(np, "compatible", "IBM,vtpm") < 0 &&
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+	    of_property_match_string(np, "compatible", "IBM,vtpm20") < 0) {
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 		size = be32_to_cpup((__force __be32 *)sizep);
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 		base = be64_to_cpup((__force __be64 *)basep);
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 	} else {